Ground-working implement for cultivators



April 7, 1931.

H. PHILLIPS ET AL 1,800,152

GROUND WORKING IMPLEMENT FOR CULTIVATORS Filed July l5, 1930 Patented Apr. 7, 1931 UNITED STATES PATENT FFICE GROUND-WORKING IMPLEMENT FOR CULTI'VATORS Application filed July 15,

This invention relates to eultivators, and more particularly to a novel ground working implement for machines of this character.

The invention has for one of its objects to provide a device of the character stated Which shall be adapted to thoroughly loosen the soil Without throwing or banking it upon the stalks of they plants, which shall be adapted to loosen the soil in such manner 10 as to leave the surface thereof smooth and thus adapt the soil to retain its moisture for a comparatively long period of time, and which shall be adjustable to adapt it for use between diierently spaced rows of I5 plants. y

The invention has for a further object to provide a device of the character stated which shall be adapted to cut the Weeds below the surface of the soil and which shall 0 be adapted for use on tractor or horse drawn or hand cultivators. y

The invention has for a further object to provide a device of the character stated which shall be simple and durable and capable of being manufactured and sold at a comparatively lovv cost.

With the foregoin and other objects in view, the nature of w ich will appear as the description proceeds, the invention consists in the construction, combination and arrangement of parts hereinafter fully described and claimed, and illustrated in the accompanying drawing, Whereinz u Figure l is a vievv partly in horizontal section and partly in top plan of a ground Working implement constructed in accord ance with our invention;

Figure 2 is a sectional view tellen on a vertical plane extending centrally and longi 0 tudinally through 'the implement;

Figure 3 is a sectional view taken on the plane indicated by the line 3 3 of lligure Tl and 9Figure a' is a sectional view taken. on the plane indicated by the line LiL-l of Figure l.. The ground Working implement comprises a flat blade l which is of quadrilateral formation in plan and is secured to the lower end of a standard 2 with alined corners thereof arranged forwardly and rearwardly liti 1930. Serial No. 468,082.

beyond 'the standard and with the other corners thereof arranged laterally beyond the standard. The formation of the blade l, together with the arrangement thereof on the standard 2 provides it with rearwardly diverging front or advancing edges 3 and real# wardly converging rear or trailing edges 4, the front edges being sharpened. The standard 2 is provided with an elongated foot 5 which rests upon and extends forwardly and rearwardly of the blade l. The blade l may be secured to the standard 2 by cap screws 6 passing through a slot 7 in the blade and engaging the standard foot 5. Any other suitable means may be employed to secure the blade l to the standard 2.

Wings 8 are pivotally connected at their -front ends to the lateral corners of the blade l, and this connection may be established by bolts 9 or the like. The blade l is provided in its under side in alinement with its lateral corners with recesses l0 which open out through said corners and through the rear edges of the blade, and the front ends of the wings 8 have their upper side portions cut away and arranged in the recesses, to 'the end that the lower surfaces of the blade and wings may be arranged in a co1nmon plane. The wings 8 extend in rearwardly divergent relation from the lateral corners of the blade l, and their outer' lateral edges ll are sharpened. rlhe 'wings d may be relatively adjusted to vary their anguiar relation, and their cutting edges ll form continuations of the cutting edges 3 t of the blade l in any adjustment thereof. rllhe wings 8 may be adjusted to arrange their cutting edges ll in alinement 'with the cutting edges 3 of the blade l or in any acute angular position with respect thereto. t

The Wings 8 are secured in adjusted position by braces l2 which are pivotally secured at their front ends, as at 153, to the rear corner of the blade l, and which are provided at their rear ends with bolts ld passing through slots l5 formed in and ef;- tending longitudinally of the Wings. The Wings 8 are provided in their upper sur faces and at opposite sides of the l5 with recesses le for the reception of ribs llt" il @il on washers 18 mounted on the bolts 14, the engagement between the washers and wings positively holding the latter in adjusted position.

The braces 12 are located at the lower sides of the blade 1 and wings 8. The blade l is provided in its lowerl side with a recess 19 for the reception of the front ends of the braces 12, and the wings 8 are provided in their lower sides with recesses 20 for the reception of the rear ends of the braces, to the end that the lower sides of all these parts may occupy a common plane.

The standard 2 is providedwith a series of openings 21 to permit it to be bolted to the frame of a cultivator .of an type lwith the blade 1 and wings -8 set or deep or l shallow cultivation. The blade 1 and wings 8 pass through and loosen the soil, and the blades cut the weedsl below the surface of the soil- Due to their formations, the blade 1 and the wings 8 will not throw or bank the soil uponthe stalks of the plant, and they will leave the surface of the soil smooth so that it will retain its moisture fora comparatively long period of time. v

While we have described the principle of the invention, together with the structure which we now consider the preferred embodiment thereof, it is to be understood that the structure shown is merely illustrative and that such changes ma be made, when desired, as fall within t e scope of the invention as claimed. v

We.claim:- l

1. A ground working implement for a cultivator, comprising a standard, a at blade secured to the lower end of the standard and having rearwardly diverging advancing cuttin edges and havin rearwardly convergln trailing edges, w extending rearwardy from the blade an pivoted at their front ends to the blade at the rear ends of the cutting edges of the blade the wings being provided with longitudinal slots and provided in their upper sides and at opposite sides of the slots with' recesses, braces pivoted to the blade, bolts secured to the. braces1 and passing through the slots of the wings, and washers mounted upon the bolts and provided with ribs engaging in certain recesses of the wings.

2. A ground working implement for a cultivator, comprising a standard, a Hat blade secured to the lower end of the standard and having rearwardly diverging advancing cutting edges and having rearwardly convergin trailing edges, wings extending rearwar ly from the blade and ivoted at their front ends to the blade at t e rear ends'of :the cutting ed es of the blade the wings being provide with longitudinal slots and provided in their upper sides and at oppositesides of theslots with recesses braces pivoted t0 the blade, bolts secure to the braces and passing throu h the slots of the wings, washers mounte bolts and provided with ribs enga lng in certain recesses of the wings, the bla e being upon the 

